 <div class="bg-black py-5 d-flex justify-content-center align-items-center">
    <div class="obj">
        <div class="objchild">
            <span class="inn6"></span>
        </div>
    </div>
</div>
<style>
/* From Uiverse.io by Saad3092003 - Tags: animation, 3d, card, shadow, animated, box-shadow */
.obj {
  position: relative;
  width: 200px;
  height: 200px;
    /* background-color: rgb(96, 96, 232); */
  transform-style: preserve-3d;
  transition: 0.5s all;
  transform: rotateX(-25deg) rotateY(20deg);
}

.objchild {
  animation: rotate 10s infinite linear;
  transform-style: preserve-3d;
  position: absolute;
  width: 100%;
  height: 100%;
    /* background:linear-gradient( to top,rgb(11, 11, 102),rgb(96, 96, 232) ) ; */
}

.objchild::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
    /* background: rgb(37, 101, 230); */
    /* background: radial-gradient(center center, farthest-side , #9993, transparent); */
  filter: blur(20px);
  box-shadow: 0 0 200px 15px white;
  transform: rotateX(90deg) scale(1.1) translateZ(-120px);
}

.inn6 {
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgb(21, 21, 21);
  transform: rotateX(90deg) translateZ(100px);
  animation: updown 4s infinite ease-in-out;
}

@keyframes rotate {
  0% {
    transform: rotate3d(0,1,0,0deg);
  }

  100% {
    transform: rotate3d(0,1,0,360deg);
  }
}

@keyframes updown {
  0% {
    transform: translateY(100px) rotateX(90deg) translateZ(100px);
  }

  50% {
    transform: translateY(200px) rotateX(90deg) translateZ(100px);
  }

  100% {
    transform: translateY(100px) rotateX(90deg) translateZ(100px);
  }
}
</style>
